library test;
import self as self;
import "dart:core" as core;

class B<T extends core::Object = dynamic> extends core::Object {
  synthetic constructor •() → self::B<self::B::T>
    : super core::Object::•()
    ;
  method f(self::B::T x, core::int y) → void {}
}
abstract class I extends core::Object {
  synthetic constructor •() → self::I
    : super core::Object::•()
    ;
  abstract method f(core::int x, core::Object y) → void;
}
abstract class C extends self::B<core::int> implements self::I {
  synthetic constructor •() → self::C
    : super self::B::•()
    ;
}
static method main() → void {}